EP 3118077 A1 20170118 - RELAY VALVE AND METHOD OF CONTROLLING A RELAY VALVE
Title (en)
RELAY VALVE AND METHOD OF CONTROLLING A RELAY VALVE
Title (de)
RELAISVENTIL UND VERFAHREN ZUR STEUERUNG EINES RELAISVENTILS
Title (fr)
SOUPAPE DE RELAIS ET PROCÉDÉ DE COMMANDE D'UNE SOUPAPE DE RELAIS
Publication
Application
Priority
EP 15176839 A 20150715
Abstract (en)
A relay valve (10) for a compressed-air brake system of a commercial vehicle comprises a control piston (14) arranged in a housing (12) and being axially movable by means of a control pressure supplied from a control port (20); a valve means (24) comprising a valve body (28) being axially movable by means of an axial movement of said control piston (14), wherein said valve body (28) controls fluid connection between a supply port (26) and an outlet port (22); and a movement limiting mechanism (38) configured to limit an axial movement range of said control piston (14) if required.
IPC 8 full level
B60T 15/18 (2006.01); B60T 15/02 (2006.01)
CPC (source: EP)
B60T 15/027 (2013.01); B60T 15/18 (2013.01)
Citation (applicant)
- EP 2407355 B1 20130522 - KNORR BREMSE SYSTEME [DE]
- EP 1391363 A1 20040225 - WABCO GMBH & CO OHG [DE]
Citation (search report)
- [XY] US 6209582 B1 20010403 - ASHLEY GREGORY R [US], et al
- [YA] US 5312167 A 19940517 - GIORGETTI ALBERTO [IT], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3118077 A1 20170118; EP 3118077 B1 20210616; BR 112018000237 A2 20180904; CN 107835767 A 20180323; CN 107835767 B 20200519; WO 2017009271 A1 20170119
DOCDB simple family (application)
EP 15176839 A 20150715; BR 112018000237 A 20160711; CN 201680041376 A 20160711; EP 2016066383 W 20160711